RU2011141585A - MULTI-MIMO TRANSMISSIONS IN WIRELESS COMMUNICATION SYSTEMS - Google Patents
MULTI-MIMO TRANSMISSIONS IN WIRELESS COMMUNICATION SYSTEMS Download PDFInfo
- Publication number
- RU2011141585A RU2011141585A RU2011141585/07A RU2011141585A RU2011141585A RU 2011141585 A RU2011141585 A RU 2011141585A RU 2011141585/07 A RU2011141585/07 A RU 2011141585/07A RU 2011141585 A RU2011141585 A RU 2011141585A RU 2011141585 A RU2011141585 A RU 2011141585A
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- Prior art keywords
- drs
- transmitted
- sets
- power factor
- cdm
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract 7
- 238000000034 method Methods 0.000 claims abstract 33
- 201000000913 Duane retraction syndrome Diseases 0.000 claims abstract 11
- 238000000162 direct recoil spectroscopy Methods 0.000 claims abstract 11
- 238000001228 spectrum Methods 0.000 claims 2
- 238000013507 mapping Methods 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/327—Power control of multicast channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
1. Способ передачи сигнала беспроводной связи базовой станцией (BS), причем способ содержит этапы, на которых:осуществляют мультиплексирование с кодовым разделением каналов множества Выделенных Опорных Сигналов (DRS) и отображают мультиплексированные DRS в один или более соответственных наборов элементов ресурсов (RE);отображают данные в RE, иные чем один или более наборов RE; ипередают множество RE, включающих в себя один или более наборов RE, RE данных и RE, содержащие управляющую информацию нисходящей линии связи (DCI),при этом DCI включает в себя индекс кода расширения спектра, используемый для мультиплексирования DRS.2. Способ по п. 1, в котором DCI включает в себя поле касательно количества DRS, включенных в передачу.3. Способ по п. 1, в котором DCI включает в себя информацию касательно количества соответственных наборов RE, в которые отображаются подвергнутые мультиплексированию CDM DRS.4. Способ по п. 3, в котором общим количеством наборов, в которые отображаются подвергнутые мультиплексированию CDM DRS, является один или два.5. Способ приема сигнала беспроводной связи мобильной станцией (MS), причем способ содержит этапы, на которых:принимают множество элементов ресурсов (RE), включающих в себя управляющую информацию нисходящей линии связи (DCI);определяют с использованием DCI один или более наборов RE, в которые отображается множество опорных сигналов нисходящей линии связи (DRS);определяют оставшиеся RE в качестве RE, в которые отображаются данные;осуществляют обращенное расширение спектра данных с использованием индекса расширения спектра, включенного в DCI; идемодулируют данные с использованием вектора предварительного кодирования DRS, соот1. A method for transmitting a wireless communication signal by a base station (BS), the method comprising the steps of: performing code division multiplexing of a plurality of Dedicated Reference Signals (DRS) and mapping the multiplexed DRSs into one or more respective resource element sets (REs); display data in RE other than one or more sets of REs; transmitting a plurality of REs including one or more sets of REs, REs, and REs containing downlink control information (DCI), wherein the DCI includes a spreading code index used for DRS.2 multiplexing. The method of claim 1, wherein the DCI includes a field regarding the number of DRSs included in the transmission. The method of claim 1, wherein the DCI includes information regarding the number of respective RE sets into which the multiplexed CDM DRS is mapped. The method of claim 3, wherein the total number of sets into which the multiplexed CDM DRS is mapped is one or two. A method for receiving a wireless signal from a mobile station (MS), the method comprising the steps of: receiving a plurality of resource elements (RE) including downlink control information (DCI); determining one or more sets of REs using DCI, which a plurality of downlink reference signals (DRS) are displayed; determine the remaining REs as REs into which data is mapped; perform data spreading using the spreading index included in DCI; idemodulate data using the DRS precoding vector, respectively
Claims (20)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21265909P | 2009-04-14 | 2009-04-14 | |
US61/212.659 | 2009-04-14 | ||
US12/753,364 | 2010-04-02 | ||
US12/753,364 US8369885B2 (en) | 2009-04-14 | 2010-04-02 | Multi-user MIMO transmissions in wireless communication systems |
PCT/KR2010/002297 WO2010120106A2 (en) | 2009-04-14 | 2010-04-14 | Multi-user mimo transmissions in wireless communication systems |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2014123513A Division RU2649856C2 (en) | 2009-04-14 | 2014-06-09 | Mimo transmissions in wireless communication systems |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2011141585A true RU2011141585A (en) | 2013-04-20 |
RU2526538C2 RU2526538C2 (en) | 2014-08-27 |
Family
ID=42934304
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2011141585/07A RU2526538C2 (en) | 2009-04-14 | 2010-04-14 | Multi-user mimo transmissions in wireless communication systems |
RU2014123513A RU2649856C2 (en) | 2009-04-14 | 2014-06-09 | Mimo transmissions in wireless communication systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2014123513A RU2649856C2 (en) | 2009-04-14 | 2014-06-09 | Mimo transmissions in wireless communication systems |
Country Status (7)
Country | Link |
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US (4) | US8369885B2 (en) |
EP (2) | EP2420008B1 (en) |
JP (2) | JP2012524451A (en) |
KR (1) | KR101705665B1 (en) |
CN (2) | CN104619002B (en) |
RU (2) | RU2526538C2 (en) |
WO (1) | WO2010120106A2 (en) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4445467B2 (en) | 2003-07-02 | 2010-04-07 | パナソニック株式会社 | Communication apparatus and communication method |
US8937897B2 (en) | 2009-04-27 | 2015-01-20 | Panasonic Intellectual Property Corporation Of America | Wireless communication device and wireless communication method |
US8712399B2 (en) * | 2009-05-06 | 2014-04-29 | Texas Instruments Incorporated | Coordinated multi-point transmission in a cellular network |
ES2536840T3 (en) | 2009-06-19 | 2015-05-29 | Blackberry Limited | Method and system for signaling transmission layers for single-user and multi-user MIMO |
US20120120942A1 (en) * | 2009-06-19 | 2012-05-17 | Sharp Kabushiki Kaisha | Wireless communication system, transmitter and wireless communication method |
CN101621492A (en) * | 2009-08-14 | 2010-01-06 | 中兴通讯股份有限公司 | Resource determining method of special demodulation data reference signal |
KR101641968B1 (en) | 2009-09-14 | 2016-07-29 | 엘지전자 주식회사 | Method and appraturs for transmitting downlink signal in a mimo wireless communication system |
CN102014099B (en) * | 2009-11-02 | 2013-04-24 | 电信科学技术研究院 | Downlink pilot frequency transmission method, device and system |
CN102076076B (en) * | 2009-11-20 | 2015-11-25 | 夏普株式会社 | A kind of resource allocation informing method of demodulated reference signal |
WO2011085542A1 (en) * | 2010-01-12 | 2011-07-21 | 上海贝尔股份有限公司 | Method and device for reducing control signaling overhead |
US20110255483A1 (en) * | 2010-04-16 | 2011-10-20 | Research In Motion Limited | Signaling of Precoding Granularity for LTE and LTE-A |
WO2011132942A2 (en) * | 2010-04-20 | 2011-10-27 | 엘지전자 주식회사 | Method and device for transmitting reference signal in wireless communication system |
KR101792880B1 (en) | 2010-04-20 | 2017-11-03 | 엘지전자 주식회사 | Method and apparatus of transmitting reference signal in wireless communication system |
US9635648B2 (en) | 2011-05-03 | 2017-04-25 | Lg Electronics Inc. | Method for transmitting/receiving downlink control information in wireless communication system and device therefor |
US8848638B2 (en) * | 2011-06-27 | 2014-09-30 | Telefonaktiebolaget L M Ericsson (Publ) | Cellular communication system support for limited bandwidth communication devices |
CN102256358B (en) * | 2011-07-08 | 2013-11-20 | 电信科学技术研究院 | Method, device and system for transmitting and receiving data |
JP6031105B2 (en) * | 2011-08-16 | 2016-11-24 | エルジー エレクトロニクス インコーポレイティド | Method and apparatus for multiplexing a downlink control channel by a base station in a wireless communication system |
CN103858361B (en) * | 2011-10-07 | 2017-05-31 | 黑莓有限公司 | Interference management in wireless network |
CN103067118A (en) * | 2011-10-18 | 2013-04-24 | 华为技术有限公司 | Method for realizing data transmission and apparatus thereof |
WO2013113140A1 (en) * | 2012-01-30 | 2013-08-08 | Nokia Siemens Networks Oy | Method and apparatus for realizing enhanced physical downlink control channel |
CN103428860B (en) * | 2012-05-18 | 2019-07-09 | 索尼公司 | Communication means and equipment in wireless communication system |
CN104685802B (en) | 2012-10-04 | 2018-03-23 | Lg电子株式会社 | The method and apparatus for receiving and dispatching down link signal by considering antenna port relation in a wireless communication system |
US9425946B2 (en) | 2013-02-21 | 2016-08-23 | Blackberry Limited | Interference measurement methods for advanced receiver in LTE/LTE-A |
CN105144768B (en) * | 2013-04-26 | 2019-05-21 | 英特尔Ip公司 | Shared frequency spectrum in frequency spectrum share situation is redistributed |
WO2015081108A1 (en) * | 2013-11-26 | 2015-06-04 | Huawei Technologies Co., Ltd. | System and method for a scale-invariant symbol demodulator |
US10541797B2 (en) * | 2014-09-24 | 2020-01-21 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling transmission power in transmitter of wireless communication system |
US10624039B2 (en) * | 2015-08-28 | 2020-04-14 | Huawei Technologies Co., Ltd. | System and method for power offset adjustments for downlink communications |
US10973018B2 (en) * | 2015-11-23 | 2021-04-06 | Qualcomm Incorporated | Wireless resource blocks with integrated control and data |
JP6925385B2 (en) * | 2016-12-07 | 2021-08-25 | 三菱電機株式会社 | Transmitters, communication systems, control circuits and programs |
WO2018105069A1 (en) | 2016-12-07 | 2018-06-14 | 三菱電機株式会社 | Transmission device, communication system and transmission method |
CN108282202B (en) | 2017-01-06 | 2021-09-14 | 华为技术有限公司 | Power configuration method and related equipment |
WO2020255417A1 (en) * | 2019-06-21 | 2020-12-24 | 株式会社Nttドコモ | Terminal and wireless communication method |
US20230094321A1 (en) * | 2019-10-11 | 2023-03-30 | Ntt Docomo, Inc. | Terminal and radio communication method |
WO2022067649A1 (en) * | 2020-09-30 | 2022-04-07 | 华为技术有限公司 | Dci transmission method, apparatus and system, and chip |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7324474B2 (en) * | 2003-10-21 | 2008-01-29 | Qualcomm Incorporated | Methods and apparatus for Network Initiated Data Services |
JP4940867B2 (en) * | 2006-09-29 | 2012-05-30 | 日本電気株式会社 | Multiplexing method of control signal and reference signal, resource allocation method and base station in mobile communication system |
KR101355313B1 (en) | 2006-10-12 | 2014-01-23 | 엘지전자 주식회사 | Method of allocating reference signals in MIMO system |
US8243850B2 (en) * | 2006-10-24 | 2012-08-14 | Samsung Electronics Co., Ltd. | Method and system for generating reference signals in a wireless communication system |
KR101265632B1 (en) | 2006-12-12 | 2013-05-22 | 엘지전자 주식회사 | Method And Apparatus For Transmitting Reference Signal, Setting Reference Signal Transmission Pattern, And Setting And Allocating Resource Block |
WO2008103317A2 (en) * | 2007-02-16 | 2008-08-28 | Interdigital Technology Corporation | Precoded pilot transmission for multi-user and single user mimo communications |
CA2821614C (en) | 2007-03-21 | 2016-08-23 | Interdigital Technology Corporation | Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode |
CN101287278A (en) * | 2007-04-11 | 2008-10-15 | 华为技术有限公司 | Configuration information processing method, device and system |
WO2009002251A2 (en) | 2007-06-27 | 2008-12-31 | Telefonaktiebolaget L M Ericsson (Publ) | Mode switching between su-mimo and mu-mimo |
KR101448309B1 (en) * | 2007-09-28 | 2014-10-08 | 엘지전자 주식회사 | Method of monitoring downlink control channel in wireless communication system |
US20100097937A1 (en) | 2008-10-16 | 2010-04-22 | Interdigital Patent Holdings, Inc. | Method and apparatus for wireless transmit/receive unit specific pilot signal transmission and wireless transmit/receive unit specific pilot signal power boosting |
EP3179665B1 (en) * | 2008-11-04 | 2021-05-19 | Huawei Technologies Co., Ltd. | Method in a wireless communication system |
KR101605482B1 (en) * | 2008-12-18 | 2016-03-22 | 닛뽕덴끼 가부시끼가이샤 | Mu-mimo-ofdma systems and methods for servicing overlapping co-scheduled users |
KR101635883B1 (en) * | 2009-02-03 | 2016-07-20 | 엘지전자 주식회사 | Technique for Transmitting and Receiving Downlink Reference Signals |
US8472539B2 (en) * | 2009-04-07 | 2013-06-25 | Lg Electronics Inc. | Method of transmitting power information in wireless communication system |
JP5598544B2 (en) * | 2009-10-29 | 2014-10-01 | 日本電気株式会社 | Downlink control signaling for downlink MIMO |
CN102076076B (en) * | 2009-11-20 | 2015-11-25 | 夏普株式会社 | A kind of resource allocation informing method of demodulated reference signal |
KR20110095823A (en) | 2010-02-19 | 2011-08-25 | 엘지전자 주식회사 | Method and apparatus for mapping multiple layers to mutilple antenna ports |
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2010
- 2010-04-02 US US12/753,364 patent/US8369885B2/en not_active Ceased
- 2010-04-14 WO PCT/KR2010/002297 patent/WO2010120106A2/en active Application Filing
- 2010-04-14 EP EP10764645.7A patent/EP2420008B1/en active Active
- 2010-04-14 EP EP20203621.6A patent/EP3787201B1/en active Active
- 2010-04-14 CN CN201510032514.XA patent/CN104619002B/en active Active
- 2010-04-14 JP JP2012505816A patent/JP2012524451A/en active Pending
- 2010-04-14 KR KR1020117027023A patent/KR101705665B1/en active IP Right Grant
- 2010-04-14 RU RU2011141585/07A patent/RU2526538C2/en active
- 2010-04-14 CN CN201080025347.1A patent/CN102461001B/en active Active
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2014
- 2014-05-13 US US14/276,750 patent/USRE46161E1/en active Active
- 2014-06-09 RU RU2014123513A patent/RU2649856C2/en active
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2015
- 2015-08-21 US US14/832,839 patent/USRE47338E1/en not_active Ceased
- 2015-09-25 JP JP2015188766A patent/JP6618111B2/en active Active
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2019
- 2019-10-30 US US16/669,339 patent/USRE48849E1/en active Active
Also Published As
Publication number | Publication date |
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CN102461001B (en) | 2016-02-17 |
KR20120019447A (en) | 2012-03-06 |
JP2012524451A (en) | 2012-10-11 |
CN102461001A (en) | 2012-05-16 |
RU2526538C2 (en) | 2014-08-27 |
EP2420008A2 (en) | 2012-02-22 |
EP3787201B1 (en) | 2024-10-09 |
CN104619002A (en) | 2015-05-13 |
JP6618111B2 (en) | 2019-12-11 |
RU2014123513A (en) | 2015-12-20 |
USRE48849E1 (en) | 2021-12-07 |
KR101705665B1 (en) | 2017-02-23 |
EP2420008A4 (en) | 2014-11-26 |
EP3787201A1 (en) | 2021-03-03 |
US8369885B2 (en) | 2013-02-05 |
US20100260059A1 (en) | 2010-10-14 |
JP2016027747A (en) | 2016-02-18 |
USRE46161E1 (en) | 2016-09-20 |
USRE47338E1 (en) | 2019-04-02 |
WO2010120106A3 (en) | 2011-01-27 |
RU2649856C2 (en) | 2018-04-05 |
CN104619002B (en) | 2018-08-28 |
WO2010120106A2 (en) | 2010-10-21 |
EP2420008B1 (en) | 2021-03-31 |
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